package com.atguigu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.lang.annotation.Annotation;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstraintVaildator implements ConstraintValidator <ListValue,Integer>{


     private Set<Integer> set=new HashSet<>();
    // 初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] values = constraintAnnotation.values();
        for (int val:values){
            set.add(val);
        }
    }

    //判断校验是否成功

    /**
     *
     * @param integer   需要校验的值
     * @param constraintValidatorContext
     * @return
     */
    @Override
    public boolean isValid(Integer integer, ConstraintValidatorContext constraintValidatorContext) {


        return set.contains(integer);
    }
}
